Stanchion.



M. A. MILEY. STANCAHION. APPLmATIoN FILED In 1Q. 190s. i

Patented Sept. 14, 1909.

nutren efraifneearnnr oFFIoE.

MARTIN A. MILEY, OF LIMA, WISCONSIN.

STANCI-IION.

933,775. specification of Leiters Patent. Patented sept. 14, 1909.Application 'filed May 10, 1909. i Serial No. 495,144.

e oi a trunnion il, the trunnion being Securely le it known thatl,-l\l.\1rrtv A. Munn', a held against rotation therein by means of acitizen ot' the linited States, and resident of clamping-nut 4, which isadapted to lbind 55 the town ot llima". in the county oiz`S'heboyoverlapping ears of the strap-members ingan and State ofWisconsin, have invented tei-posed between the nut and a collar 5ooneertain new and usetul Improvements in stituting part of thetrunnion. Mounted To all whom. it may concern.:

-Stanchionsg and Vl do hereby declare that the, i upon the trunnion isan upper yoke-bracket following is a full, clear, and exact descriptthaving an apertured Sleeve or bearing 7 60 tion thereof. through which'said trunnion extends. A 'lhe object' of my invention is to providebolt.- 8 is titled within a horizontally disa simple, economical andetliective eatitleposed aperture ot the bearing 7 and ar- Stanchion, itsconstructimi and arrangement ranged to engage a recess 9 formed in thebeing such that when the device is opened or trunnion, the bolt beingprovided with a. 65 unlocked it cannot be rotated upon itsvera'ossr-l'iead it), which head extends through tical-axis. being heldand locked relative to slots 11 in the side-walls oi' the yoke. The saidaX1s in ite correct position t'aeing the cross-head is connected to`legs 1;). of a taprear of the stall, by means of a bolt in enpet-bar123` which bar extends through slots gagement with one of theetanchion-trun 14 ot the yoke upon the opposite Side of the 70v nions,which bolt renders it impossible tor trnnnion-bearing 7 trom that of thebolt. the animal to swing the stanchion edgewise interposed between thetappetbar 13 and by thrusting its headbetween the sides oi" bearing 7 iSa light coilsspring 15, which thestall and stanchion-rails-, provisionbeing spring is adapted-to hold the bolt in its also made whereby theanimal locks said locked position within the recess of the-trun- 75A:stanchion by a down fard movement ot' itis, nion. looped strap lli iSSecured to the head and simultaneouely with this lockingl sidewallsl ot'the yoke forming a keeper movement the device ie automatically ren-.toria verticall)Y disposed spring-controlled dered tree to swing uponits vertical axisl hinged rail 1Tf the opposite end of the yoke' bywithdrawing the bolt Jfrom the trunnion. being flanged for the receptionof the, upper 5U whereby movementv ot. the aniinals head lt ends of atixed rail 18, which rail is bolted trom side to side is t'aafzilitated.thereto. The lower end ot' this rail is The invention there'loreconsists in certain socketed into a lower yoke 1t), being securedpeculiarities of construction and combinal by bolts between flanges 20ot said lower tion oi5 partis with\reference to the accom yoke. Thisyoke also carries a trunnion 9.1, 35 panying drawings and subsetpientlyclaimed. which is mounted within apertured overlu the drawings: Figurel. is a rear elovalapped ears oi strap-members the meniti'on ot' astanchion embodying the features bers being secured to a bottom sill225. Opotl my invention with parts broken a tay and t posite the tianges2t), the lower yoke termilparts in Section to better illustrate certaini natos with upwardlyv projecting ears 24, be- 90 striwtural teaturee,the hanger beingI shown tween whieh'ears is titted the lower end of 4 inits` open position: Fig. 2. is a sectional the hinged rail t7, whichrail fulcrumed plan view, as indicated by line ot' Fig. upon a bolt 25that extendsthrough the ears 1, showing the upper yoke and means carand'int'erl'iosed rail. 'l`he lower end of this ried thereby for locking thestanehion relarail is provided with a brackett having an 9o YC t0 if*HXS? FS- i3, tl (let'tlil plan view otf apertured tongue 2T, whichtongue extends the upper trunnion support or axis. and downward and isarranged to receive the Fig. 4, a cross-section as indicated by line iend o't' a rod that extends through the 4-4 of Fig. 1, showing theSpreader and its E tongu -aperture and is threaded for-the reconnectionsin plan. ception ot' a stop-nut if). 'l`he opposite end 10o Referring bynumerals to the drawings. 1 ot the rod is provided with a head.l whichlindicates a Sill having secured thereto straphead i# pivoted to thevoko ttl, by a bolt fit),v

men'ibers Q, which members are hinged tothere being a conipression-eoilspring 28 ingether by the screw-threaded reduced shank t tcrposedbetween the head of said rod and a thereof and engages a pin 33 carriedby the fixed rail 18, the free end of the spreaderbar being providedwith'a notched recess 34:, into which recess the pin seats. An arm 35,which is secured to the rear ear 24 of the lower' yoke extends upward toa point adjacent to the pivoted end ofthe spreader-bar, to which bar thearm is connected by a link 36. i

In some instances, it is not necessary'that i the hinged rail should beopened to its full extent this being the case When'small cattle arehandled and in such instances, the pivot' bolt of the spreader-bar maybe removed from the position shown and inserted in an `indicated by thedotted lines.

aperture 37, the hinged rail 17 being connected to the spreader barthrough this aperture, it will be seen that in its opening movement thedistance between the rails will be proportionately lessened. When thisadjustment is effected, it follows that the link 36 must also beconnected to the spreaderbar in a relatively proportioned distance, thesaid spreader-bar being provided with anaperture 38 for this purpose,and while I have shown only a single set of apertures for thisadjustment, it is apparent that a series of such apertures may beprovided.

Both the 4upper and lower strap-members, in which `the stanchion istrunnioned are provided with a series of apertures, into any pair ofwhich may be fitted the retaining bolts 39. By this arrangement," asbest shown in Fig. 3, the trunnions of the stanchion may be adjustedback and forth from the center-line of` their supporting-sills,

whereby said stanchion is brought in the correct position relative tothe rear of the' stall in order to accommodate the device to the varyinglengths of cattle, it being understood for sanitary reasons, it isdesirable that the excrement from all the animals should'be depositedwithin .the line of a fixed trough to the rear of the stall.

'lhe several parts of the stanchion being in the position shown in Fig.1, the animal can readily insert its head within the space between theupper yoke ando trip-bar. In owering its head, the animal causes t-hebar 32 to be disengaged from the pin 33, whereby the compression coilspring 28a is released, and its power will thus swing the hinged' railinward to the locked position as This movement of the hingedr ra'il alsocauses the tripbar to swing down, as shown in the dotted position due tothe link-connection between said trip-bar and yarm35. 4The upper end ofthe hinged rail in moving over to the locked position engages the noseof a dog 40, which dog drops over the rail and locks the same in thisposition, the dog being pivloted between the side-walls of the upperyoke as shown. Simultaneously with the engagement of the rail and dog,the inner edge of said rail strikes the tappet-bar'l3 and therebydisengages the bolt 8 from yits looked posit-ion with relation to thetrunnion 3, thus rendering the stanehion free to swing about its axis,it being understood that the upper and lower trunnions are axiallyalined.

While I have shown and described the bolt 8 as being spring controlled,in some instances, the spring may be dispensed with, and when theoperator pushes the hinged rail to its unlocked or open position, he mayat the same time'manually operate the bolt so as to effect a lockingoperation between the stanchion and its upper trunnion, it being alsounderstood that the operator is required to lift the dog 40 prior tounlocking the stanchion, said dog being held in engaging positionrelative to the hinged rail by a stop-pin 41, shown.l It will also beobserved that the locking movement of the spring-controlled hinged railis limited by means of the stop-nut 29, which nut is preferablyadjustable and arranged to be engaged by the tongue 27'i11 opposition tothe tensionof the released compression spring 28, which spring ispreferably lhoused by the upper wall of the lower yoke to insure thesame against accumulations of foreign matter.

I claim:

,1. A stanchion comprising upper and lower ykes, a fixed rail secured tothe okes, axially alined trunnions for the yores, a spring-controlledrail in hingeconnection with said lower yoke, and a locking-bolt carriedbythe upper yoke arranged to engage its trunnion, means 1n connectionwith the locking-bolt arranged to be actuated by the hinged rail,whereby said bolt is disengaged from the trunnion, and a spreader-barinterposed between the fixed and hinged rails in opposition to thespring-pressure exerted upon said hinged rail, the spreader-bar beingarranged to be actuated in one direction by the animal.

2. A stanchion comprising upper andlower yokes, a fixed rail secured tothe yokes, axially alined trunnions for the yoke's, a spring-controlledrail in hinge-connection with the lower yoke, a 'pivoted spreader-barinterposed between the fixedy and hinged rails, an arm extending fromthe lower yoke, a link connecting the arm and spreader-bar, alocking-dog for the hinged bar carried by the upper yoke, aspring-controlled bolt carried' by saidupper yoke, thebolt being adaptedto engage e recess in the upper` yoke l'iunxi'ion, and means inconnection with the holt arranged in the path of travel of the:ifoi'eeuid hinged rail, whereby the latter effeats a releasing movementof thebolt relati\ 'e to its seat in the recess of the trunnion.hiltestimony that I claim the foregoing` I i have hereunto set mj' handat Milwaukee in the county of Milwaukee and State of Tisconsin in thepresence of two witnesses.

, MARTIN A.M1LEY. 'itnesses:

Griso.l W. YOUNG, GEORGE G. FELBER,

